diff --git a/pkgs/development/libraries/libunwind/default.nix b/pkgs/development/libraries/libunwind/default.nix
index 52ed30c0ae9..a7dad9d5589 100644
--- a/pkgs/development/libraries/libunwind/default.nix
+++ b/pkgs/development/libraries/libunwind/default.nix
@@ -1,14 +1,19 @@
-args: with args;
+{stdenv, fetchurl}:
+
 stdenv.mkDerivation rec {
-	name = "libunwind-0.98.6";
-	src = fetchurl {
-		url = "http://download.savannah.nongnu.org/releases/libunwind/${name}.tar.gz";
-		sha256 = "1qfxqkyx4r5dmwajyhvsyyl8zwxs6n2rcg7a61fgfdfp0gxvpzgx";
-	};
-	configureFlags = "--enable-shared --disable-static";
-	meta = {
-		homepage = http://www.nongnu.org/libunwind;
-		description = "The primary goal of this project is to define a portable
-		and efficient API to determine the call-chain of a program";
-	};
+  name = "libunwind-0.98.6";
+  
+  src = fetchurl {
+    url = "http://download.savannah.nongnu.org/releases/libunwind/${name}.tar.gz";
+    sha256 = "1qfxqkyx4r5dmwajyhvsyyl8zwxs6n2rcg7a61fgfdfp0gxvpzgx";
+  };
+  
+  configureFlags = "--enable-shared --disable-static";
+
+  NIX_CFLAGS_COMPILE = if stdenv.system == "x86_64-linux" then "-fPIC" else "";
+  
+  meta = {
+    homepage = http://www.nongnu.org/libunwind;
+    description = "A portable and efficient API to determine the call-chain of a program";
+  };
 }